title: Phylogenetic analysis and reclassification of caprine and ovine lentiviruses based on 104 new isolates: evidence for regular sheep-to-goat transmission and worldwide propagation through livestock trade.
mesh_terms: D000383:Agriculture; D000818:Animals; D015750:Genes, gag; D015751:Genes, pol; D015511:Goat Diseases / Q000635:transmission / Q000821:virology*; D006041:Goats; D016180:Lentivirus Infections / Q000453:epidemiology / Q000635:transmission / Q000662:veterinary*; D017972:Lentiviruses, Ovine-Caprine / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification; D010802:Phylogeny; D016133:Polymerase Chain Reaction / Q000379:methods; D017421:Sequence Analysis; D012756:Sheep; D012757:Sheep Diseases / Q000635:transmission / Q000821:virology*